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Consumer Reports - Five popular commercially available protein powder supplements

20 substances tested· 5 exceed legal limit

Report details

Lab
Independent, accredited laboratory
Sample date
November 1, 2025
Year
2025
Methodology
Triple Quadrupole Inductively Coupled Plasma Cell Mass Spectrometry, AOAC Method 2015.01
Status
complete

Test results

Contaminants detected (20)

SubstanceAmountUnitStatusLimit / guideline
Arsenic0.17mcgexceeds health guidelineLegal: 0.01 mcg / Guideline: 0.14 mcg
Cadmium1.047mcgdetectedLegal: 0.005 mcg / Guideline: 4.15 mcg
Lead0.205mcgdetectedLegal: 0.015 mcg / Guideline: 0.56 mcg
Mercury0.01mcgdetectedLegal: 0.02 mcg / Guideline: 0.000002 mcg
Arsenic0.19mcgexceeds health guidelineLegal: 0.01 mcg / Guideline: 0.14 mcg
Cadmium0.217mcgdetectedLegal: 0.005 mcg / Guideline: 4.15 mcg
Lead0.268mcgdetectedLegal: 0.015 mcg / Guideline: 0.56 mcg
Mercury0.016mcgdetectedLegal: 0.02 mcg / Guideline: 0.000002 mcg
Arsenic0.18mcgexceeds health guidelineLegal: 0.01 mcg / Guideline: 0.14 mcg
Cadmium0.649mcgdetectedLegal: 0.005 mcg / Guideline: 4.15 mcg
Lead0.38mcgdetectedLegal: 0.015 mcg / Guideline: 0.56 mcg
Mercury—mcgnot detectedLegal: 0.02 mcg / Guideline: 0.000002 mcg
Arsenic0.37mcgexceeds health guidelineLegal: 0.01 mcg / Guideline: 0.14 mcg
Cadmium1.944mcgdetectedLegal: 0.005 mcg / Guideline: 4.15 mcg
Lead0.525mcgdetectedLegal: 0.015 mcg / Guideline: 0.56 mcg
Mercury0.011mcgdetectedLegal: 0.02 mcg / Guideline: 0.000002 mcg
Arsenic0.48mcgexceeds health guidelineLegal: 0.01 mcg / Guideline: 0.14 mcg
Cadmium3.27mcgdetectedLegal: 0.005 mcg / Guideline: 4.15 mcg
Lead0.455mcgdetectedLegal: 0.015 mcg / Guideline: 0.56 mcg
Mercury0.025mcgdetectedLegal: 0.02 mcg / Guideline: 0.000002 mcg

Original report

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